{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "980027720",
    "entityType": "User",
    "nonce": "0xd131bf388e9aae767383331266d7c7d7e5d0e8303e57915307e4bf5dae9080c2",
    "signature": "0xb15d01320da13c8884a45fd1327d1dce0867606a1ba27639883d998e28e46e7733fdb026eb5b080c1d4a57810f47c20d3c37f2c1a78471d1b8185b5fd9e62e611b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}