{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x98b36c3280bc7234cee77778e91cb631ee56f9be4dd456092270bed4115f1db3",
    "signature": "0x3b7d14d5edd1888e507da6bec26f592b8fb21066b053c1b8049732cada6bfe693c475dbad8ad9506ed7ed04e7470f27e54a869d7a2c31d20bed221ee0e0502591c",
    "signer": "0x802f183850238c97b952417908ac937c96BFB1a9",
    "userId": "74313884"
  }
}