{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "54255",
    "entityType": "User",
    "nonce": "0xe2fc2e4027fc58b63262aa485ea2136878b82b6749710f391cdcfef6bc55e543",
    "signature": "0xa20f2cb68aaaf0b9b76d72f815fb80e222f8360a353fa3f5c030b2d89b4d528b76093188d2c69fe25e91e7fb7693af63a35ec7881e556ab1feba9a05958dd0471b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}