{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "55178",
    "entityType": "User",
    "nonce": "0x3855205cf77b8d264bd4734bca7bcec2990720ef43e4c2f3ee5d93c2e0f8e96d",
    "signature": "0xcf2cc565cc5b88a416026c9adb5c6a4c1cbcce7447695178a8b340c7c2801f680d1d556984259bb0cc37fef3e44dc0dca6ff7f4e2f33aef9cd1f297537e0293b1b",
    "signer": "0x222534475146193b99B68F2E3830ED2b44307C2D",
    "userId": "991417453"
  }
}