{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1418885",
    "entityType": "User",
    "nonce": "0x4e7b0a6256068d10b783979dc3a43e19901ee3fc1346c8f4bca1656fcce3a650",
    "signature": "0x181e51c3cf0e5828124b2aef822b04704f985b14587455370170fd7ab4bd68913435e5f26a1f768191637a77bd5f30d32049525e7714fb4ffe752c70e49998981b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}