{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "39692",
    "entityType": "User",
    "nonce": "0x3c30d5c8bbde00e89b2908d3a49a0780356c5a9dc766772aa502f1dc2c3ab57b",
    "signature": "0xf23adc8e83ee81e2cd01eabc1ebcb62ec276e5a981ed586fd75ff077817fc1640857a02ad9813a8ff00f4d1326288c11a2b59bea59b3385ddb8a4fb86c7c1f141c",
    "signer": "0xD5e21774eBFbb75367Fae64727C9FC7EB7C6820a",
    "userId": "58273052"
  }
}