{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "981824750",
    "entityType": "User",
    "nonce": "0x3c809a54d3537458d9f99d15c03f6d0a1c52ef8fc0e4540cbcf513de36371451",
    "signature": "0x07bd4ce3aafd37437c253b0136368469d17310b03772f09c7a6d59b1ed34d2463e8e7b6e1b0041b33af1e2718bdfae89e730f10109e4833baee4b7073173ff1f1b",
    "signer": "0x00679AE761C2F87aC8a554140d0533e86E36C62e",
    "userId": "700236399"
  }
}