{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "846570160",
    "entityType": "User",
    "nonce": "0x144ad7439dd31dc38f7698dd15ab502546f64a2e116c4ad9d463c4f4fbf69250",
    "signature": "0xb2efafb3afd837f8be80491ae12b03503ec93e6e3c6ff6609d2d8209611e4bd07ff130a56cc65983a7a95c088e97695d9966ac5ec4e678c4745bcc63a65455f31c",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}