{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "972435607",
    "entityType": "User",
    "nonce": "0x33eb060384d98f6bdcb174da13c4c436ec99edf2ad2b234a060590a7d5664f3f",
    "signature": "0x0d3a9fb6115e6e98b4fd5eb6ac8701c28ae4e6a4a6e69497a0c5d60f08568fde39cc02a4100b6903df86a7db7f65cb73ff8bef8570624ca4e7b2a6cc0571c7831c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}