{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44577",
    "entityType": "User",
    "nonce": "0x708efc058f98742765b582cf98881138e04941d27f512874e4f198b032193516",
    "signature": "0x30a35207240ad102bf39e799ec64e41d8d253a9bb130dfb00582d3d7e753ee6a658bf426701018a9fc0f7367bfd06690dceae947ef75e723e64a5e41ed19561b1b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}