{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "486490947",
    "entityType": "User",
    "nonce": "0xa644bb77c5bd81986e082abe377b6fa66c487e0ad8e46c3ef926d257ab0dc5c8",
    "signature": "0x7b88412dc7ea62e5fc8cd5619ecea013a1d8630d1da98322301816d98764361644a8a9b35d3d16f23562d9fbe2045438af57d02352fc79451499147ba1cbc0bc1b",
    "signer": "0x1080460F21DCc82D7160d2C77DaAb22a92c4dD22",
    "userId": "162106877"
  }
}