{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "136844578",
    "entityType": "User",
    "nonce": "0x610946cf6566002bd21c3186d7964d04d50d68efd65912db406b45719df02d55",
    "signature": "0x9cb8dc4818372095749ae2760b9df02c9f6e87f195c6de719f0312ac063545785b1d9b2d0bd08d17c6aa1ffe46462f1a2fd428ac1b62b1f5ad86485a2fbc05f21c",
    "signer": "0x176e72dFeDc28F932BeC73B513ff006a4b45dDa2",
    "userId": "93920271"
  }
}