{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "101887422",
    "entityType": "User",
    "nonce": "0x89bb7fa8befda1d8ffcb5ea2f5ef8e6575b253496c14821d624845b160e7b051",
    "signature": "0x2c01c3ba6f73ece704a091afe25f0ff687a9a39ddd4879e693490f058bd6e8d02ac13199a6ffef97eb43f971df2bff5760325fedad271ea4d1322e613c11ee071c",
    "signer": "0x3CE307cb27B2Fc2b03Eae311050CA4e8C34Fa57d",
    "userId": "50936"
  }
}