{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "100",
    "entityType": "User",
    "nonce": "0x231435cce2d6afc161de3cf39e93d06506c30e99fb45bdec8a35ab57ecc5f350",
    "signature": "0x07f01797c02af639a7cf0e4805a422f61ab01bc5b579453c2c05e2a7452977c11e830ea3d26fbed035dca9410e45979a03f8b1d710aa16ba4bd023b5de23a7fb1c",
    "signer": "0x6a79014dac58f1D33D45347A909f9628C2132216",
    "userId": "718119401"
  }
}