{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "125044",
    "entityType": "User",
    "nonce": "0xd73a934fe3654e55855a50b5ef7b0dbd99eba3be85454d8c643bfef93521dc40",
    "signature": "0x6baffba44e6f7eda4248c4808ea501f9d55b7315a6767e562b5c0c765c434a866872323d6d37d3f5e8d2a951d894b9e84dc63b0f0dbc384f402020d901bc388a1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}