{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "413067038",
    "entityType": "User",
    "nonce": "0xe0c911833be598336b7a29815958d6b54552097e184e8fb946ee5445a7861004",
    "signature": "0xbc749a05119a01247b65073e9fbd1e24b2a27ff440b47b7aff8bdde46c9f116e3bd6d0117658b115abf7367827a65576e681010788767895379a66c7597af9661b",
    "signer": "0xdF94159720AB889b4D53EB68Be2E4869f38b9eFc",
    "userId": "863573949"
  }
}