{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "393201",
    "entityType": "User",
    "nonce": "0x9ed2baa5664fc01f971385b140260be20fbd064af60804467e4bd5ef841a5c3d",
    "signature": "0xcd626496b83c7a42846f6851a729263ffc3b94ff6f3632243e6ce1ca21721c0d3da776d43b1c3f54d4647d5ca79144b9d98cb3ea0e1c059ffc462ec89de98bc61b",
    "signer": "0x73a5C9c8F51d7CBA0cc1Be9c1B5824A1E47C732c",
    "userId": "383087390"
  }
}