{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "367647512",
    "entityType": "User",
    "nonce": "0x67c77a6619152e26d21b296d2bdfe4e90efea849145a310b3b183953e6538285",
    "signature": "0x440ad2c6f803e6d1a4f876886709a696d1c70a069147e17b1753e291139e9075224c126c158e34c9ec57f119d484da96738b8b9c98f346b9a88841812b4eb2001c",
    "signer": "0x4771D256e7217EB6B247e8cBaFbbCb199424a6b2",
    "userId": "836389559"
  }
}