{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "61721",
    "entityType": "User",
    "nonce": "0x56b1ec12617e06ea7087d8c517417932fda1232ef1172587e356500b9cb48041",
    "signature": "0x2e7447b5a3c70f1b9ba4223c94f6d76a2ca892a236f82afb1ebbdb3c6b661bd903c8976a09e94d1616b4786775170d3b6501a4014a1b6eaeed87fd3db746d9321c",
    "signer": "0x97CE54f824356168619DB7187EdA973c1110bDa7",
    "userId": "5958805"
  }
}