{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "17152",
    "entityType": "User",
    "nonce": "0xd3051b76f67db6e25c6e46ce20cf04997cf2626e421acb160de827fabf8d1dda",
    "signature": "0x4b7fc99c09ed65292c306c6474bab9ed7003c7a3f0bb6d80916ced807ecdc2af77fd1feea373d2bd3bff83ff1ac1c92a9ab6bc36c659da7e922f3addf24fc6071b",
    "signer": "0x37d5bFdb1c5031d4086D3D13687e3092523fAA1c",
    "userId": "623605162"
  }
}