{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "258220",
    "entityType": "User",
    "nonce": "0x95bf7ceb5c26fa6f74e0f2e33ef9336354fd0871f6ecef0782c15b6777bc1546",
    "signature": "0x329a3e835135e78ba34e5dc156b38138b3e3e3af9cef4f8ee0d6011237a929664d92a4bde44b3d485137eea631b9596728928cec926eb65cee263e2b5ed77bfe1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}