{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "841848490",
    "entityType": "User",
    "nonce": "0x341076a6cbac5c208b9061cb597215206273a1a427c1efb9a0a502e20b30c6a4",
    "signature": "0xb5ed78ebf33ba02d086114039187facee591bcb3e4b313cc96d947f55c881bc35c4f00b324b11fc659ea92b71fa376453ffd76662fbaba337255f1e98ebcbd531c",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}