{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xb80de98811a18c269668df43e895b6ef50c158cb0d4380da085f0a877852b3d0",
    "signature": "0x0705eaf1ee4571a7cfb87b7798eb9a740354a475ee1eb1bd8e35a2264c92bf03278a000fe299f33ddd9b3327c0c7a8438a5d7b3820bf551933a47b52a12eedae1b",
    "signer": "0x14b1c5141585d6dC5D57aEfF9e07F86b0F9aDBE9",
    "userId": "797377098"
  }
}