{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "284000",
    "entityType": "User",
    "nonce": "0x1e5c1541e1b4d5b81b5bb6869e3b8843852e3689d040999c9ae82cfc1426fdef",
    "signature": "0xd3b538ff472e66b1a3e3255ad2be8043107e839e7759f21b50e75b9c79d371ca798e536244585d6ce1d547546c0ebc9f7bbedee326a8cce0ddfb569083b907281c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}