{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "130515",
    "entityType": "User",
    "nonce": "0xb615479b8cc9ac9190d178c80ac311838f81456f168f185621e74bd4804bd9a6",
    "signature": "0x15d38c0ad600bf794a4060ffeff9efdade2f7b8ce1a71a9abc3c5e012054fa7412326331c162435c2d4d6ec572f7092eefbe27a11a644506750f51d7f79b4bb51b",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}