{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "486490947",
    "entityType": "User",
    "nonce": "0x574a421e2a56201487a632be6d3a955ceac0e93b8eb9b1b24b0895f457f405b7",
    "signature": "0x092a5a382c24e2c0e803a904d48558d39ef6a18d88bfab40dd59fbebab0f5d3003b80fba4059f27afc8a2a88427af133d4952e5a21f1176570e2a158ff2e09f31b",
    "signer": "0x742Fff9be20F80Ce7285c8Ab12B9018Ef3Cf14F0",
    "userId": "111467392"
  }
}