{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "17649",
    "entityType": "User",
    "nonce": "0x7736bfc50cb5cb381c00311cf347b3f4b7196f567494e03f5e2072696fd9c4cc",
    "signature": "0x57b5bd80d601a4d5d82e11990e79e06178815740243ac35b18b1476f633d583c32d172be87e8422f1402c3713cad74d92480cc92396fd5f81f3521f00077484d1c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}