{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "54889",
    "entityType": "User",
    "nonce": "0xde6b334b10d58876e83d1dd3978604f02b3bff028d994059330b4e3b2f76945b",
    "signature": "0xf6531b2bce3bef36aa0d92a38207ffd90022704939891bf2d163cbe7488fc9f72eac8ef6a28cb12257a235130291268e3336cabd75a0fddce4c447a558bfb83d1b",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}