{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "5642",
    "entityType": "User",
    "nonce": "0x18ec61ca52510f7aadc48c9ac94b2f57d99c457a2976eb77f6082d44e0de8df7",
    "signature": "0x709c1526627d52938ed980bddd8df2aee1871c34ea44275c3a19dfdf34043f631c4970bd92bb173b3711abfacc884a0410a16fc6e5986f7c786f87aad516e39e1b",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}