{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "205222",
    "entityType": "User",
    "nonce": "0xd016e7b2caa19561c40572ef24ef0cf9fbf077e9c1c7335f7060064c5def16dd",
    "signature": "0x8d490ea92d850be595cff7a7b7b0023443ba6bc7cce6357c36b90b61122c23897c06ae399ce54c3fed092c90e977bd086ff9f627eef33cabafe0162b9b7d39931b",
    "signer": "0xd648B38B61b65e4F8df57D4EE65560D8DaacFDb2",
    "userId": "277314120"
  }
}