{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "141205",
    "entityType": "User",
    "nonce": "0x3d7c758081c5a0046d71f676b339b890fddd0f5015c4c3b2b92d349496a6aca8",
    "signature": "0xbf444a6c41d44b5df40b6566b4cb0a8d59f5602bf3b31ebd5542e24b2e76ec4d5c6770f04371ef787b95446e4aa9c59b3a813f6651ea7aa850cd2f76ea14b23d1c",
    "signer": "0x45C682dAb9Cd8ED5e055aC2F6a860Db5F14c27C9",
    "userId": "611525840"
  }
}