{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "14707",
    "entityType": "User",
    "nonce": "0x227d32559a4507626530a04c9a8ee9d68314dd6dd3c83933f1402ed5cc040444",
    "signature": "0xaa919244188d0d8a508d67f5d6f4c8ea5564c48f8a78be08ccabac2b8a6d27801be12427342c490b0d7fb95c4397b71dddf5086e2b9f1eefd5d0d2f46500ee951b",
    "signer": "0x27204C77Baa4a510c92A96A4ba3661CC53EE568E",
    "userId": "35918963"
  }
}