{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x22e24475766b73ecec92e1d1af6b0f660671985dc59ce38e6e29eee44d2042e7",
    "signature": "0x279061693ab850e4158e3352beb7ccb18bdcb4b0895371f6899280a6e3380e7317d418f9fd1df4fcf87028ea2252d1eef3a3c510dc7529da1ce2faa7c21f2a5e1b",
    "signer": "0x4f24EFcc0f8174B7836f5EBbeBd72AF3f1746E74",
    "userId": "230109234"
  }
}