{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x26ed2e5c3d48800a9a0f02c614591d88422c4014694c85d4c17adbd31b6a015d",
    "signature": "0x81df7d0ea4d5cf8804515b7f2bf02363cf993df28cb800411471289ca637b77151aba759507aedcfe57328fc5022d962202ba8e12ae305d95c4cd06ce6727a751b",
    "signer": "0x63E1040eE63e22A6308F1f9E420261556556Cd2c",
    "userId": "226552041"
  }
}