{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "357249",
    "entityType": "User",
    "nonce": "0x17262724f2d443fab3627f9459fafa6b4022b0bb156fff176e12f80e6b938b98",
    "signature": "0x44074f58e65c6eb4e10ccc36c3aae982856cbacd3630cdeb34a52053087792d42eb30ba2cc0f0acc4a0f3dac01334dd7f098f70764e56cb15da693e57ecc4f391b",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}