{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "722055746",
    "entityType": "User",
    "nonce": "0x3ecc8ee5376cfa620a693c4e44546f0cf7c8d739126b37bf0598f5dc1583baef",
    "signature": "0x0f951b169c07cf2eeac27eeec7c4d81b2e68683638964a8401832856936e707e40c5d807f069a8b26c7cf3a5e15a2d43118e40f0cc2be5ae5e9bc78f5a352a491c",
    "signer": "0x040629E31a68119093b9a0111257C8449c2f8e10",
    "userId": "175162"
  }
}