{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1053953",
    "entityType": "User",
    "nonce": "0x6576b845e64d7968f810b81cc9f721bfc17341b83c2095113c732dbec38ff443",
    "signature": "0x1a34d2075ca53334ac7001521b0c0e93e727ac6e35490e2e6c1ef49d399fea236ba6eb34830d7afc3437c49f3b608badb657bd7d0d099ef44bd0a24efa01ffae1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}