{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1322738",
    "entityType": "User",
    "nonce": "0x0a150ae5e658aeb43062b00201c8c215960e5a578dd3d1e30c4444e07584ebd0",
    "signature": "0xb2d88c890b35656a3d7c86873597b47c8c031e7303d6e18b942d57ee1e76607a5b5b5f262b6b63372efd33da2481054682cda0bded6f6e4b57600f3e58a38d6d1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}