{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "567715679",
    "entityType": "User",
    "nonce": "0xb45591424a4a1836b992b587331061b9526e0d943d70eea66ef002cf2ff701f7",
    "signature": "0x3ef0c2fab1b9faccf11e77a8180d95635b21e6e7f2f5b01edb6c849098ab0b163a1cc90f62793940f6bd9a90816df0bb62901860221ff3b49a60d87b6343d1921c",
    "signer": "0xDb2e7CDC13024B14d99968077CeA4F168D0dac84",
    "userId": "311476764"
  }
}