{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "367647512",
    "entityType": "User",
    "nonce": "0xea5dfff602f323509898a9eab62eac460a6367a1ba4c1867cb8e3d787fa8e757",
    "signature": "0x1baa1ef6c1559146598a6131c077aa67a7666f46486cfb9e70c47121a275d69f39cf9c373a2d6ae0fe71d3d7dc8c4343dec518045e53a8441a4ffd3543daa6fc1c",
    "signer": "0xe23f94433EED8958AAF9868141BA976B8fffb969",
    "userId": "307915745"
  }
}