{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "954705651",
    "entityType": "User",
    "nonce": "0x9480a48360d2e31564515859f9e481e958eff5bd50879fd430c5512e9435a23e",
    "signature": "0x9c51358dee9242c4eb5401f575f3e3cccddf20c11dc6a987954549abf0b0db5a3d9431bbfc0e722c775b144f92327a4ac422ce81a5e10040156cad165cf39b7f1b",
    "signer": "0xC888d1fD9065F0AdF661c54a6bA27c25E56ba3fC",
    "userId": "956687976"
  }
}