{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "887242445",
    "entityType": "User",
    "nonce": "0xfe6cbfc70dee2758086ac8bede2646b5414112787493fd7ba823bb250efc2458",
    "signature": "0x8d57f6975f991da284b84ec94dc46880a5d4e9863dd0349dee8702b85a7d62a633feb23bc06b95d2b72e7902ca0165301090c6a6440ba3dc1bc49e4c8ade604e1b",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}