{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "832058678",
    "entityType": "User",
    "nonce": "0x868a444a7b2e10f5a54afa4896f532eaaec15f98245eeed7bf1ef157ee0f8d19",
    "signature": "0x541d0be5500eb3b85328ddf2df0159fe495ecb0eff21ec83cee0c3c9580a0ade688c5d4b5bb6de7f64ddb90cbd75dc048b452421f81140c79e9df8b9570e98bb1b",
    "signer": "0x48FD75f1b7D81A96b8b8624aB7040523C402c202",
    "userId": "325172820"
  }
}