{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "60953",
    "entityType": "User",
    "nonce": "0x2f273ac6c2570bca75bef22dc2765f2840fe41b4ca0454d2a7a35adc1ba3d12e",
    "signature": "0xf07642909134a2672083c90ad38887a86cc04cfad4d9d9cef8c4e86b14506fb8185a29ce1b362c91e22f40cfad63afabc0002483df3d017880c0109c133a91f01c",
    "signer": "0xA5594f75935B53086a8f3231b314C131605FEDA6",
    "userId": "140185425"
  }
}