{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "967906892",
    "entityType": "User",
    "nonce": "0x138d362de4a8ec96068df7ba7b47c23f1812141fd1b3ae0acb9c94ec408387a2",
    "signature": "0x3513bbc966af640c5fbc0eb6251c971a8558bde712080e26d94dbcc6f26fa8e775ccbba0d91aa6802b0e7b93594bf074033153d65fa7c7be60d6caaaa849ab981b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}