{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "487640022",
    "entityType": "User",
    "nonce": "0xab7f77e2601433e2c997b250ad2055475d038789c734b21dafbb7be9f73fc740",
    "signature": "0x6e596d1dc69cf3ddc4c64ce42d7c8800ba9fe849113e61a70c471101a0411d51053513fd12d8441c66de61d7d6769364afe3a9a45d675d55c08b470435848a5e1c",
    "signer": "0xC56E1ccbA93c1E645e5F27Bf8A5ca13eB7A5eEbe",
    "userId": "335878078"
  }
}