{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "161440",
    "entityType": "User",
    "nonce": "0xde3bfbfab65bf41d9c9f3df1c4c81975e3008650d7bd2ded06877342fb6bb9b1",
    "signature": "0xe81ad4c7192272460dca702d603e63d4f92be393c341c23e6f3906f326c7558145e32ca2a0d350a9d2761ddd9d1f799ad190d9acd181b24dcb78a888ba77da7e1c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}