{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1495091",
    "entityType": "User",
    "nonce": "0x66aa002d41795ecc87dc831123fc26c022e78715457263c6af4f816614d61287",
    "signature": "0x00359c6b39db26a6645b8fe12222f6cc4e5be7984c9a3d389f2a99a1b7f8cd507cca6692f73f499b837d89f812fca3e6fd2bd490d34d077fa618f59fdbf7fddf1c",
    "signer": "0xeD4de8C7aEdcca7a62a5E17Fb9DF5ee4991E5b73",
    "userId": "209405413"
  }
}