{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x0bd8a25e2e999e8f8454dad19b4ea59e5507e1590eb8d6e2fcf856910550fe3b",
    "signature": "0x766de8ad839e144caa2f5443dcf2be9167e478cff483dddcc1c91035a08800e77bdd862491699f22be6fe1f3305880f4db4bf9f8a9aec354d18b3140008403511b",
    "signer": "0x80BaBdd7604de656E45b52EFA056548D7C078B36",
    "userId": "790313179"
  }
}