{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "305838",
    "entityType": "User",
    "nonce": "0xc04df7e52649ef22a09e00eb46980cfd54dbc2255598cef1dcff0bbb91913cc1",
    "signature": "0xdd3f8966aaebd4f3ee24bb1d4c600ab85383e6664615b06479802e1a13bca822283261ea39de88d292a6c5e71399eb9d19d87fa6411b4568ac6d7f58d27f51501b",
    "signer": "0x283a6Fd0bE176865B404dfc3B2805D3a2701d62e",
    "userId": "484365174"
  }
}