{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x433908a2de63dee8438daffeff9787c74ca7343485b4496fdbeaf20468652bfe",
    "signature": "0x5b2d2f394aa4bab320f0a0d376b2065ec1b6d18b0bb28843c2ec74af393027d9037ba763edc6004854bb1a3da2387566facb8295245f300e4c5784b7afeac5ee1b",
    "signer": "0x8d6574D9c6BEB5a6d10A244E80784b0Ab94a7910",
    "userId": "282911244"
  }
}