{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "5680",
    "entityType": "User",
    "nonce": "0xee2d182287e8536fcf09d2885fb2980276f73947e28838632ceedfc9ff5fa881",
    "signature": "0x51e2950b0d71ba25423582a19de9006dde1e36c86b6324d8efb67550a9934e9705bd9a55a7005f3c4312dbb436b504c9e20a300765bea3d0b2e1a3c49afd37951c",
    "signer": "0x90d627796C9E2071AAd9F8C20f6dCE95587F6d13",
    "userId": "560619378"
  }
}