{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "950478625",
    "entityType": "User",
    "nonce": "0xfff0c47ea7c879e4d9bcd6f13965307f21a03774646a030332b56ef4d2fb8cda",
    "signature": "0xc2a977ec482554f90d3c8f239edd78e5902e61b686d30d27b647c3c2bf3ee774609397f461f5a5cfef30e0f20c57d82f9206c17ee23df3ac58857483ddcf662c1b",
    "signer": "0x89EA9Be0Cefd53f285d77356b4395f079931a5EC",
    "userId": "822518796"
  }
}