{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "367498631",
    "entityType": "User",
    "nonce": "0xaff4975e2bea5eac20a52151e9efc78a844a7fd43e547f3d3fb6fe9797bcc85a",
    "signature": "0x6b94a9a5b4bad5af97a7bee97e1a915230171a6696011be7e38f91304ccd593020b1c6c55e7e664337984b6248d50f697305022507a0742c7e0d76978027c2bb1c",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}