{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "89",
    "entityType": "User",
    "nonce": "0xc6ce13730ae1fe3fb0fda101f12306adc9da53fe0162c091a22bc0d7fe9b3909",
    "signature": "0x09215a1188a1dd698979f6bd4ab09953851cfa35f6f8d8dae342e7c90246ebcb7b2f31a43e85b17a6f85ad55413988bfb5fab76d618c140e8004d9452b0751531c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}