{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xf079a5901b1697dbf2feeb39cda90613af3538de29af933b91d4dc2e68a8f707",
    "signature": "0xebdd8431360b06ac25621324ab33c9f9754aecdbd3273b4e6e786601066eb8a06f4bf89a508e4c208dc5838b970f7e4d0b5669288b5d7bf110c49ec52896397c1b",
    "signer": "0x6eE5b8c52A9940e627594Cd921E79Be1015CB23D",
    "userId": "3838526"
  }
}