{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59868",
    "entityType": "User",
    "nonce": "0xf093577ed70b61aa9f485b4f3d219fe974d80980b8c8bebaf50befaaecf1fb2f",
    "signature": "0xc7e3198f365db469bd3c9c36ff4955b0b359bea1cf819a4e2ebeff97f9d6601037609174edbb923cdc750bdcd96a52f8cca72c6e864ba6392784b3ecf7d4e3181b",
    "signer": "0x5003c3889C8fe2A63E57503dF91F8d33eE14Ab9a",
    "userId": "619555289"
  }
}