{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "278474",
    "entityType": "User",
    "nonce": "0xb09b3cc6fe4cd60159b4badfdc6204f1eb1b1bea892ef60415fcb0fc66f41851",
    "signature": "0x6b8d3126f0564120d801ffabed9e4af6049dfee909e542d627e824e09c07a4ab6c484d0b03ecc29d1203dba87aaae5893217eed99f86311acee89ce0365c48c81c",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}