{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2595",
    "entityType": "User",
    "nonce": "0xf3ef0ae07a338e788e948b4cfa4ab7ee2a078e301a2f20a2be26f5ebf6caa654",
    "signature": "0xc63b86d9490273e406f38a8295a55c10a80e809bf4e86bc42f237f4b884683cd4fec95fbcffbcdb382399d75b6254e37095bccd3aba91d28b5db89df79c8e1921b",
    "signer": "0xCf3E6F9F4BF41C4e355E01484A92aaf61B6dd8a3",
    "userId": "149919577"
  }
}