{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "240171275",
    "entityType": "User",
    "nonce": "0x56a8afb8cd186a1fc2712093ac2a908b150096014886248b1a663dcfbc76ee9d",
    "signature": "0x4fc20bd5dab2d8907972967b11372e0445d42a84c714b1e3ad01944365a563210211d7330a5934e3542003064d2a6e4da9a4ef313960de1576b73b8a6ffbfab91b",
    "signer": "0x9369ae91F6A1cC4996D9126FD991d64e7E24c805",
    "userId": "333763354"
  }
}