{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x8e6a0c5e8c93775d1f70ac5591514a5e00bac7f5\"}",
    "nonce": "0x006db055eb69006109de52f31759c2a55e7011fa5fe78e467f52ba49f52d111f",
    "signature": "0x4258fa3312765242b9ad29f3311bc9c5000233c358a8a972a925a979ea43d46b2dc4ad05ad9338456796827e3fad1d4c57f7ac4fdefe30243145291da55d3dcd1c",
    "signer": "0x845C209474b645d037e7A18bf22DAf7E3C2742F0",
    "userId": "660864214"
  }
}