{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "277314120",
    "entityType": "User",
    "nonce": "0x06977cdb12d595cf3fa1072d3f5e3867deb75b8a40261bfbd6a03a3ca6a32e98",
    "signature": "0x959891a25efc13661ff54006ebc6e5ee0a19c937e7a53f98b52430418b1ad9934fe6bacd86f4b672a91e6f8dd00c1e56715abb70d486e0c38b1644d02515c13f1b",
    "signer": "0x4fdc03E53311BF6b1B8728dd0Ae0630bF74176f1",
    "userId": "162770660"
  }
}