{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "936976796",
    "entityType": "User",
    "nonce": "0xa310feda86641dabcb1170d5defe25a646790e6871149a3a8b185c5c8346833b",
    "signature": "0xc5a9b4267de12b8d894c547617cd3fb0fcf7a59932a31b7e48ecce9ecda34bfd3d80cec9a61315261d6af1c54faae0613970cb126de1603977838a9a4e2b67c61b",
    "signer": "0xa16E21B675BCaB501e407E716d506F7a99896406",
    "userId": "613617474"
  }
}