{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "64038",
    "entityType": "User",
    "nonce": "0xdf2b61289536200e9c1082011fb960a92a349c523912d9e66aa5304f5bf8ec66",
    "signature": "0x4470f33b1da6ef7c82d66146058ca984f25ae659bbc118b883cb5e9673bb52921718c066f612132144494b36340af1b66461398da9816c2041fd241598558cc21b",
    "signer": "0x9eE057749F8A47B55cff6F84dc7c9b0Eb2F78A52",
    "userId": "565532197"
  }
}