{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xebbed4de5f7ad36cffa7cea6d3d75b9dfe3d166b7c507c528abe298b4bcba42e",
    "signature": "0x1698b9c9c4e34670007ce7852da85af53b7614c452d80d4a9fd5a9826959192f402c9fbc2dfe5f77be7e7b7239f21d3928b35c2523db77fa8db79a58d96cce101c",
    "signer": "0xC5A30482C111B98B2674C2dAb6871D0f141ed069",
    "userId": "867906055"
  }
}