{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "904230991",
    "entityType": "User",
    "nonce": "0xc5cd1fba0617a55a978230df26974532b27ced96fd70e8b1942f3655bbd06053",
    "signature": "0x62486d2c31c051394e382753bfa713d88da0fccdad61631db589295ba2443c40294ef3c94dbbf1bb35ee53dfdfd857c6875aa5426b1eec41efef44af8cb5d1901c",
    "signer": "0x495cb29b6fC5014C4F1005589a40B4D919Db5E95",
    "userId": "824972439"
  }
}