{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "147726",
    "entityType": "User",
    "nonce": "0x5846ad251dfaf4da76b1f874bdabbdafe059695b71da5e504adc3713928af389",
    "signature": "0xd50b39960b68a4c7901b43fc73b3a6d1f40f87b22cbd7e7537546799c35db52a6f6abc7420a39d75fb4c4603f6e6fa351844b1d43ebc3f2025275c7a3747446e1c",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}