{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "77307",
    "entityType": "User",
    "nonce": "0xfb113a1fd0161b266603d3adfa0f3a54ea2bd86472672941bcf1d09a61151de8",
    "signature": "0xa6c332a15f3c7c773dfb6b83aa534e1e3f52bbc7654f774b6482ef88ebce17b168ca95fcdde01a7f0d235de02ed29f41a6e09539658536c6cfc093c7cabe40d11b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}