{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "64562",
    "entityType": "User",
    "nonce": "0xeb76621120f51dd9e81615abb9043b0d8f2ab821cba13c187f7096ca9e2f3cf3",
    "signature": "0x001ffd28b58ff6d6e3be47e3349cf932414995407792b2274b6d727e0b7674dd06b32943c0f3504cfb4968dce74eb4dce9e69700e9a4765cdf5896ff5f5aaf191b",
    "signer": "0xDfAC0702040EaBd2d42e773014D4b014C0747D9c",
    "userId": "707937"
  }
}