{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "16782",
    "entityType": "User",
    "nonce": "0xe0cc8c9b14771a2297c7c13e2c1b5b046cd6a8d60ffd1fb0c126063bd270bbba",
    "signature": "0x90d7ddeb8b85827b07b847f4a463a9b5ad4d47ff085934ca052ce61637dd4ae315c149ae412d387a0175e3320e1e77398825cdf923bfb0254a6a0e987bbedc631c",
    "signer": "0xbbB98413eB671bb0000F0b18A2A7Cae9631043E1",
    "userId": "98311147"
  }
}