{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "152450",
    "entityType": "User",
    "nonce": "0xcaf75ad2ce65502fa967d40d53d6598f4c049d26bac1ebc52161e0524f90090f",
    "signature": "0x23f29427b7a859b7c709b513dab152d09fa30688e43724f9961327477d90e046167741394c4662e08cbb961babaf0a54e835036b7673261b964304a93324b3811c",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}