{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x1f34340c3c0adea87d338be8b61a09b832263b12e4f3c73691154128880cfc9a",
    "signature": "0xa1f345c3cb003408f8389e75734463818c6aa5eff829f371383ac3b771fe5f0d24cf4ed041dda5650f70254505b6f22d4cd29a3364511d87ab728e9b773a31fb1b",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}