{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "101144",
    "entityType": "User",
    "nonce": "0xb6417e861325311bd73dbe9f848a21414d209b4f9415cf54b019f9529e3ec1a1",
    "signature": "0xe5f7e3b4cf760dc2a2d00839ad4c78edece8ecd1f4475c967319f16ce9ed5ad21c8c860cfc75568a5fd992e878742a4713097eb2af9eaf3746b2052a15127ba21c",
    "signer": "0x3e16afFf69eC32202c1B755Ad919C7aA325B7aBE",
    "userId": "902811065"
  }
}