{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xdbf23d976a14be80c2a06216f9295d87a1e6ee7d77ed4022fbaad93f8e6e24ca",
    "signature": "0x1681c3e113baf0e6c9600b338f367dffda4849a8cc83b7a59c5adc73d3ad837867e08bb1cb6047a75f5bd3b81223f1f0ae3bb9e678fbcf56ae50d5fc027d43541b",
    "signer": "0x111672D93C637AFfa14f6c307bDbe0050E26514C",
    "userId": "83470708"
  }
}