{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "217422",
    "entityType": "User",
    "nonce": "0xbc2a2b051b65070900b64453b565dfc272d8116c8ec32de8226f8335d8cac727",
    "signature": "0xdc19c7817c7ac63140df20384b3e6d16b4fd538cf2cfc5e890428cd56f2ee4287a757c4455a6e172f1d2f1ab3310ef3744e50eae7be366507864e3836e4a4a421c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}