{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "79876745",
    "entityType": "User",
    "nonce": "0x5910311f2958b340c99c85d9ad01c4289dd1d98c5652c68c3a35d20f06899060",
    "signature": "0x1499354c3b27bad12c392697dc4d39e5e9b9c1d905c6c46b3d5bdddbe2293d562d0f0294f71da741cf4aa37bd29d4065299ff4f51c8771e0a3bb9a6972959b731b",
    "signer": "0x9765cbE8e26a2c6c4847C1B69ABeB0B5250EC254",
    "userId": "678556080"
  }
}