{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "55298",
    "entityType": "User",
    "nonce": "0x99e9f6fca90e79eea2a7b09ff43636a2ecb3f2901be47bcf24664c8e23bd0204",
    "signature": "0xc8b6ea044cd88b20bbd9bf446c6856cf3abc6cdfebdd53ef35b3a1b3b4c62282531d92afecc60f8356586a69e39f08b71f99b304f1b204075ee56c03dd2520441c",
    "signer": "0xD55DC3bb788f477f695183900Fff41982fa8ecfF",
    "userId": "677613980"
  }
}