{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "80682",
    "entityType": "User",
    "nonce": "0xb970c9c514e1b82ab5f84b33785c19db36d172e1b1460e7fe55f51295c69320f",
    "signature": "0xe5f76997a6e6f4c4c235aebbf7f57be556848caef51bb5d7dcf5498d9c4c48655725e7211273c666df0e74ca44c65f4ad90cbe07748d56ac676ec4cd628fda9c1b",
    "signer": "0x1080460F21DCc82D7160d2C77DaAb22a92c4dD22",
    "userId": "162106877"
  }
}