{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "71932",
    "entityType": "User",
    "nonce": "0xbea9c5cf4c0262e0a4533fc0d0a5deb858ce675882a91f351581b048004649db",
    "signature": "0xd7eca7178dd6ee14ca44b504fe06327446c2987bf62b8eaf3e570ec54bd4e72a154d6ae77d31acbce2696bb0496b46cab1d8129ce879f0f9be21eacea6cf78e01c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}