{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "26860",
    "entityType": "User",
    "nonce": "0xb88431fd237e21ab94630e591c9f32ca43de4747898199c7a2c6bc1ccfa5bf29",
    "signature": "0x43ece232d50af3b9c1a8cf19ace38f53d91fa1d22fbb6f35544205c40133a8856fa38f7f75be6d0e2e3d0248c80adaa26b3438b52c442c70c05ad128dbb40f0c1c",
    "signer": "0x48FD75f1b7D81A96b8b8624aB7040523C402c202",
    "userId": "325172820"
  }
}