{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "234046",
    "entityType": "User",
    "nonce": "0x7907e1f8ddf963e86683ee6f817b0ae21a8424d84d478ee26a404183b511eba3",
    "signature": "0x5ec83828bcb98e2d1edb3dd5eddb7582baed7d93d954db6d4a50e8b0d44dd6e7205f5ebc0a5edc6640894e9d609f00b97dba494cc46500cb3923fac57740d2d21c",
    "signer": "0x204E506f1D5498d2CABD41d2fc7a3078d5792835",
    "userId": "768479471"
  }
}