{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "396164",
    "entityType": "User",
    "nonce": "0x702391a518851ed335f0fc532d70cab4b87e582c0f58814032562262248294bd",
    "signature": "0x7ab88b09732cad266a2cd34d5f30a24453950855abe3b55c2cca58d03b59472d0611c59056dfea7c15e9117d74868499c948faa3dcbeb38d6501aaf38edae0f21c",
    "signer": "0x73317E9D44b6E1b7d146760b12dc5546Cd140ED2",
    "userId": "683609933"
  }
}