{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "108203",
    "entityType": "User",
    "nonce": "0x25694d6b90f24c606d531dd5b2379487cecc6c59f50b550ed9179b9080b1173b",
    "signature": "0x6ba1debea6232b5af8cc78cb037172fdb81766f312bf6b5d96e478121a2a4daa275cd2724efd635d8a5858137f60797000bf86d1b5609c1298be4d07508bce031c",
    "signer": "0x204E506f1D5498d2CABD41d2fc7a3078d5792835",
    "userId": "768479471"
  }
}