{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x2cc593fc814461263d282a84286fd4f72c79562e\"}",
    "nonce": "0x1e9cc0178881919db0f8a2d1fa385f56620a7f7c08b6b8a09b0787565b13d26f",
    "signature": "0xaa8ffee83fc58171bf68f7ee75b44e7692cd669bc31e9657573ebb3bbfe4db6261c01d13323cbd79c94d88bf4d7a65f9547a625e09221ca4cd2e25eb2438c83f1b",
    "signer": "0xdaFf0834A31C196169F807af473D55056B7D5b54",
    "userId": "407584735"
  }
}