{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28155",
    "entityType": "User",
    "nonce": "0xb9b0f306a74f770770ab300f958a1d1895e14eadcec6146109b7111df57dede3",
    "signature": "0xf5ab48c5a1a4d44b6e422289e7ed1ed46a53718f54c9057cb704771c2b6a636414bf9ab978fcef935f121148c77314fd12b74662d64341aec0b2e5ed9fa68b1d1b",
    "signer": "0x4ab505DBD73CB27C1457E037607E5fB3B27915f9",
    "userId": "186630"
  }
}