{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "787067",
    "entityType": "User",
    "nonce": "0x7f4a46ae7970b3bc7f6856280ab409fab724db3350f5e2e19cdd195268a01f56",
    "signature": "0x600a5c79871f45f3c24223dc8950e44dd935857a08000d98232ab25e08fbb19907122cb492c266118ba6071a3021caf5a4ceb141889c902751745bcb13fca7181b",
    "signer": "0xc876F505cb8a680D38792C141903C53780bc3901",
    "userId": "384345140"
  }
}