{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "90136",
    "entityType": "User",
    "nonce": "0xe6bfe8d203e37cdae36cae3901f2df34f1d7161c3def5db3ea449922961219f9",
    "signature": "0xdbf7885413b34132ce8303c68b31f642a01f9e8a94331414d0aea6fe8db4c8a1057423fecc82c73b9dc16a8dfbe56cb454cfd16743328fa8c7a5eeb2e5e3be331c",
    "signer": "0x5f512800E8460c0e3A244c95Ff54E4310f2c488b",
    "userId": "82636883"
  }
}