{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "39411561",
    "entityType": "User",
    "nonce": "0xd5281f74ffa57427b12886b41d38ef3fba2db9f0a51d80a019c4be307ec19f5b",
    "signature": "0xe99a46950ca6481f9ebe6828845c38d0bb10d13d0b43eeedb1c5e07fca699fc8121a7f289b424d09ee1470e9c8f47373485c68b92a1516095d60ed10861413bc1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}