{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "357897",
    "entityType": "User",
    "nonce": "0x8dc624fe25e51fa4e84cd20ef016189399aa70f19c229dbfd571477ddd389402",
    "signature": "0xa6ee6bed213d79dc0fd654b6c64ad6239a35177d10ff3f3c7aa42f93af5cfbd83c052f5aa331f9338a806a37bf842b291556fce2bd0d0e40e0b6c2ea41286c041b",
    "signer": "0x066d176B794860c274082a85B7481b846cd596A3",
    "userId": "982260490"
  }
}