{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "60151",
    "entityType": "User",
    "nonce": "0xe34ede3df7a769b753ae58b35459e1cc23ebd17db5ea8e1bf927ec7ebce5d9c0",
    "signature": "0x4658b7bca1f310c8bd81455a9ebefd5fd0baaf5b6398fd3fd7ec33b66238270e52f40a91644d1ea5f13c447fe9cb047a79d0d47b13ded8de015184bd4dd7fcf01b",
    "signer": "0xA27B00F57fC7B3E81c4d7C4919aCec97E1fCf667",
    "userId": "329513359"
  }
}