{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xb76981154dca909300ff53f982a1511ca113e9e4764487b029d1f3f162664f86",
    "signature": "0x61970d6e0d27de98a77b0faef8470785677590cb159d9191a5c8a18588e8ef2a79568421b5d80d678ef7ae3ca0c0316bdd67eb4fcef74e038d0eb66cb76cdf741c",
    "signer": "0x0dF02Af1746430A0d84d2f6d462640fa9f752a6d",
    "userId": "178190130"
  }
}