{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xd7ad80ad6118d1a4a2e1ae18ffb31f686350e78cd6e96e4d5e5d12b9e1340ce5",
    "signature": "0x62e2383aa67ca36e4acae3a43ddda7eb94f70d831c999c7835a299d60170064e40159e00c70732befbe2341b60ab1e06546a855a5aaacda480a0c400127892271c",
    "signer": "0xDe08f20e5640D32C13d3814d25D85c6d460bd522",
    "userId": "660325685"
  }
}