{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "180074",
    "entityType": "User",
    "nonce": "0x21b15feef574711f1db140007e9fdc8ac472be9a59b490f4c42dab6dbcecf771",
    "signature": "0x8a33e5d7a3824a3b62f91efb8b39468dc565021e0a6acdcbd88464ccbf99d2f618d5b89c072c2d32b630233b6bf35fd01d0ecc55f820db652407e83378f73d811c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}