{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "735980234",
    "entityType": "User",
    "nonce": "0xeec66504b310ffa1e1ed390e8498a0ef5dc68f46d930e3872235194efd839c1d",
    "signature": "0x995f5eddd27d60d0245537e0970064934f7524129525fd01cc3d9a420576e27172f769b91e763a72800fd30aff1d9ed7492c18d7987053011aa8a1f80fbb1c581c",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}