{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "419563",
    "entityType": "User",
    "nonce": "0x69077936a2c8c3ffb92fd8ad34c7477a072b8859e1f3c4362609e4d49cdd6dc7",
    "signature": "0xcc22bcee862ae43f07069eb38e7f133ca24372d8a4b734a2da92f6e3c8e6b0883448a29862cedb0dcecb6218fd445be0a6ee27e0a5ee79963225e3eadef2a2c11b",
    "signer": "0x92328BFDeD38C9a9De6E253A0CF5CB46A3B28611",
    "userId": "831117417"
  }
}