{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "909603442",
    "entityType": "User",
    "nonce": "0xf5710c0443653896e3c3e5889d7217005d37dbfd11feb83e56b721360bd26685",
    "signature": "0x612f6ac73ea70a17a1fa71d47ee52fadf90fc4d0d463e03251d48797c9fe4bfa10bc152682108879f91c3ea0f28a421bc506e93b7779f709af6a87be0d03c49d1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}