{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "317120",
    "entityType": "User",
    "nonce": "0xf319ec8e6a64c5489a69f4da2065b963e25a5fdc345e4e92fadb07a6e2bd2dac",
    "signature": "0xa10547fe486b7cadf6d310aa516d9e20bf078d711e41d77d2f26def431baef930f23ffbb629175472df87a22286905544176f106403e541a6ee5333e04adb3351b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}