{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "317278",
    "entityType": "User",
    "nonce": "0xd3c5cf6ae72d23189d6aeb519c2ea379465ddd405f126a49f344bc64c288845e",
    "signature": "0x88c6d7b5afaf1936b99d341e680679c0d8860b84c54b9235b6b6a3a377d208f932fdb82d0af8a6efe17732ccab6a8997db2fc4edfb3f3260f6311acadf6b59a91b",
    "signer": "0xC965eCf215DC75172bD11e8E1dbE76EDd838886e",
    "userId": "260849"
  }
}