{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "140682",
    "entityType": "User",
    "nonce": "0x3439a1a1e79bdc2e19cf3fe8852ff959e5c552f4c6b0aa40154cc16b76e1d4ae",
    "signature": "0xb7f8317e90aaba9fa4c600c7637383414c40e722cfbb5ab90396225d08eb10f43a907cd67c7f58678b82f6872d3925489e065973d1764b7816871552c50c124b1b",
    "signer": "0x2BD0c2111290EB20B2843e8b1c0f25aA5cd52a6f",
    "userId": "618242981"
  }
}