{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xc822222dd0e0a13e985419a43960500ce486a57c837e2e98e7452e5cd6383d00",
    "signature": "0x92687e8b26bb83768469272beb98d6f48220c93adb4db8618563ba8201a0dfd10b6ae3696e48e4ae186295c451c87662efed8e6ff4c6110420b463478cbe609a1c",
    "signer": "0x9CEefB86DB284E9B1bA68435A3553A17A6152550",
    "userId": "669620913"
  }
}