{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "12729",
    "entityType": "User",
    "nonce": "0xd96ef646f27851b3c0a89ef849185eadc58dd7ce342fc13506409bd932f9e549",
    "signature": "0x698d03f559589b969336d2593b08b1ef91867b4114afc514fd1e3456ebffd4963338ea6ea59049d1334060e0b45fc6d9e936c418790ef95ba4eaa853b5b496c81b",
    "signer": "0x65b2681094e762CAD2349e6C1e2FbC8d54b9c046",
    "userId": "11153747"
  }
}