{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x3fb9a30a24b629ed98cd43b475821f1457eb4a1f9c4bed32931086b3a931aee4",
    "signature": "0xda36743c54c58458b6cdf9fb06cfdb189ac0dd0665cc48314909efd991ec5f3d69c654e9758d9645fc0307eef4e27039192b62f920e86d6d8076a8cccbb29b0f1c",
    "signer": "0x966447cca409C717A11458aDECa42847FE423AF0",
    "userId": "674042507"
  }
}