{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "54432",
    "entityType": "User",
    "nonce": "0x44ae178b829e8caf1d296605b0d403157df5a389f8670adb6996bcf6ce59edb4",
    "signature": "0xeca4a38ccb5c692e0e39f3a7b46c8e5c6e90cd37bfb6f7f2e5b55a7a0328981376390e39d7a5abf3b717610058084acbbe09b3a8957050a84ffe23890eaba35e1c",
    "signer": "0x82eD4826B35d420aDD935299579192Ce1e0951a2",
    "userId": "371339529"
  }
}