{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x33d1f8dd3af89450779c396dbadc1af1f5685453f90a7e641c10e5fbc0700a36",
    "signature": "0x4f06ba233c57f26e3c21a1cc5abdd42c23f8432d25e67cea7c67ad91b0dfb8e330f1b8e98f5b635027f4438f86457d30bf183b374b6c7293670c4eb0135355611c",
    "signer": "0x44BAdCFCf42113CbB67f519e4efa576B336f9bf7",
    "userId": "136844578"
  }
}