{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "129104",
    "entityType": "User",
    "nonce": "0xeca123a5431b442e677438aba7198839b40d57ff27badea014a4f745c871bc26",
    "signature": "0x4c86a681f120e6d9fb34e4c5f4976e03a052e76fec8b579b37a04d9e6d2d0245620c84c5138bfd1fd55ba4d19bf9597c9b658359ac32fe4edd79849d6969b40f1c",
    "signer": "0x44BAdCFCf42113CbB67f519e4efa576B336f9bf7",
    "userId": "136844578"
  }
}