{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xae01aa120e4a04cb584cca600b3c74d7579ce0ed726686ad3f5c794d778b63f7",
    "signature": "0x944202dfe18278427ca14a274f4fb4c51b0756c45c6316edc61a1a918b9e2ea32596395888dd5f8712b755a26ae1a2b8a252ffeaaa132f7f40e7e9ff1f3d3f031b",
    "signer": "0xFd9082A9c5fb33865E5213A08020d021670054A4",
    "userId": "213444366"
  }
}