{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x8400604d24129abc65a9b9fe3f90c99e8762e05595c1d5cff4291fb172f84aea",
    "signature": "0x4b5e9deb4c29ae45eda18aca2fdc1e4624b558797479eb0fac7428831ecd44330ed8a8c562381d75df1ea69778089ecb5bf30af0e87fb78bc1db244930a135991c",
    "signer": "0xEFAB3332CD5EA33e9817aa57B32CaCb8Acf973A4",
    "userId": "407216161"
  }
}