{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xd5f8d74a33abd445831af0ea67ebc03fe5d58eea978553e4966f6bf29ec531bf",
    "signature": "0x076db4ab4b5a81b2b916235dd41d9918f7a55d29987d0c7bce705522ed94fd3b78e043e9d85ee8a65d4006750a4d18f23e37b48d894120a0dd6f0541652cacb21c",
    "signer": "0x2ACda02e37Db2DC08f82aEFAB268F0610974bb3c",
    "userId": "416239376"
  }
}