{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "113351",
    "entityType": "User",
    "nonce": "0xebc210603bf533199bfeed64a3853d25c0e569ab81510c6c3fb06f68d0566983",
    "signature": "0x9c09d47d5694a9bd3df40e7181464618eb841ee4e1b7310fed557e15875f7cd83fba374b786e07ca6950fd3c2100afb2d1f320c5edd12b2e68bf6d9e1cada0e91b",
    "signer": "0xC14d01Ad1443F7623B61668BA3E768ea7Ff0666F",
    "userId": "321158566"
  }
}