{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "68120504",
    "entityType": "User",
    "nonce": "0xe7f3ebbad845dc3e5a5896b4877ef8b61127caaee03f2282aa0933ef0848c115",
    "signature": "0xf2f43fcec8cd8d0d1ede1f3ad1179fffe5f41643a82d95f8bb48cd518e6a340c5285ddca957759f20a539e0f14c60fc30d6e9eb16d44247177d59c6cbcd184fa1c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}