{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28155",
    "entityType": "User",
    "nonce": "0x16e8da1e4610a5754917ee02b57d9f9f0dbd5126c06b226a944dee2601c01e2f",
    "signature": "0x6d0fa077ad312e617a3ece2bdd5ddea0312e059163d55fc196a48dc3a95ed05812115275e7d80e0bdb91e7a8c7179c3188432bea3c07fcd66c565b2697cec1c91b",
    "signer": "0x63f357A64EB56f8303e4C9Ef9B8f6328366e84d0",
    "userId": "239137724"
  }
}