{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "35251",
    "entityType": "User",
    "nonce": "0xd4bcc1132497fa47eae55425d1558db906aafe8617905aae3b3143ff49b08462",
    "signature": "0x0a019a0988cdc63c9bb7b494ad3f53c5bc89f336499728535474055809cd2553575eccf64a41856eac6de7757d38a73e99ae1ad5bdea154502381f5ad652c1481b",
    "signer": "0x5D012C880480A2E1ab4345f6F374CFf73e040331",
    "userId": "10449019"
  }
}