{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1979831",
    "entityType": "User",
    "nonce": "0x0a9bb61343271ac9b584c423de1f70f5526461cead00ff1bcbf92c7f897c8fbf",
    "signature": "0xf63c6f6b01fab11c10322279353f07bee77bcff36a0476f465a84755dd931d415c94a7e48c142ba25774e227cd7841500046bebc2afb3ea57022d314034e89be1b",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}