{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "996978306",
    "entityType": "User",
    "nonce": "0xc17a73fbefa86da162e59958118d21cbf3b213044e7406a12028153b25ba8ab0",
    "signature": "0x558ab76a4b6d393a64cf16963d46e9f30d308bd0bbc85e0ad9a8c60456a3ddf531035a857e2d0434fda3da026645228783067e89e0e4830e24cf2ec42bcf0c381b",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}