{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "324845966",
    "entityType": "User",
    "nonce": "0x70916ee5e052130e7021c8e4862670d14194c45c12e3c91b665ed182a8382e5b",
    "signature": "0x765abf2f5fbb06af371cbc4ce39ce5b215bddc2d7b3ed18b9ee46c90209d6b4412ab5f7ea522100d7bd7d3445e6555ffe9bf2da6f8720739fbeae7785237a5841b",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}