{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "759112",
    "entityType": "User",
    "nonce": "0x4336a03bd26f53ee0593cc3c2e22c28795f4b5f3191d8b828684aeb33408a58f",
    "signature": "0x2b65170af21166e715977aacdc5ce334096f71e5e1fc2b7f7e1b3dfaeedd32802afe794a26e1d4eb908e8c81fc6518cec4c85d499764b0c5592b325926373e751b",
    "signer": "0x292eF57C1FAAc86008ab58D5116e0ba424C9189b",
    "userId": "721084704"
  }
}