{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "52412",
    "entityType": "User",
    "nonce": "0x8590312476c518a4a5a5890c267171430f16ace213cae573ac7177711c713fde",
    "signature": "0xd99717527a3cbf32536220bf4e01a390968073799c9bafda2678fb5da944bbed01b7c451d25ebef2f16cdbe8b6eee996a689ea931f971b3222b80871224b10de1c",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}