{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "119723",
    "entityType": "User",
    "nonce": "0xeed0ec76481a21f57a6cb5b046d80525ac97ec463ef9698a0e1ad2634a6343f6",
    "signature": "0xc343ec309f0a2481e43ef4a0158cceac1f194054e826566c227ac60085b851357ddc9a5aa29990fb6aa5405c979d1be8c83ce15654c2279b183dcc1c86a9ee661b",
    "signer": "0x9e61DE1c33f32408C11bCA4682c799044F51912A",
    "userId": "499136071"
  }
}