{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xe27d7d5ccbf5fc53fadd0a16b3d132ac38380948ae5bfd91b0d618e884b5f7bf",
    "signature": "0x4310776a7d2e9e22ec810b4dba3e86b61dd005ce45e9e78a47fec4cc461f2e473b8ff6c08090f3966b654261e621c55228e26f2f4d6f1a7a7aa7cafe873cc0ef1b",
    "signer": "0xA5fFfA5b8673Fb93490E3F9B0BeE58e1f0Ce1231",
    "userId": "508186998"
  }
}