{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "360621402",
    "entityType": "User",
    "nonce": "0x5d6d3cacbee92e62f9f77a0b2e8e77b16c6e291670dca93d281a57f8dcc3ef96",
    "signature": "0x7ada91659bec82d7ed6beb255a9dcc4ffb6bb21651ccf53ccb9d1e912ca70d6146dcf4d85c1b73d927a89e57aa14e50b5c9554c751c7c0e1486f8d94d9321a701b",
    "signer": "0x7C2169544c0568cB3b210f320356B6A77E891F30",
    "userId": "495616082"
  }
}