{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "35918963",
    "entityType": "User",
    "nonce": "0xb59e6e0d38163ffa5766189d9aad35473bfdfb2b53b2bacb47851c11fb7b81c3",
    "signature": "0xf2761a5f64caa1adbe4b5f2a9f8fd8060dc75902652c3db1a43cb717645439020efe73400d9d8cc8fec5b9fe86c0e2f03ea7a826748c64b3dae5b86f196786891c",
    "signer": "0x408CbFDbc09C9aFB99Da5f010D04f50A190b83B6",
    "userId": "675830993"
  }
}