{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "206447",
    "entityType": "User",
    "nonce": "0x0105b12fbbf14e69487c375590e018ab3d47488578dfeffeb8b40dc41619c18f",
    "signature": "0x182b6b403d70cad1395e68d62388f68f465d182e09caaa2d1ef36c4d4dc9361b081523169d31723042b1cb8b50842c9c53e64cf36e268900c3ba960a13d4f81b1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}