{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "359928",
    "entityType": "User",
    "nonce": "0x1bfd909669d1bd6791ef91aa0bddee075a99cf676c2f95d62006c82a554953b6",
    "signature": "0x9fe3ea4fd09580221847dc621578537d27354a4370f423a2360fb70beaa8e7c6169fec7ab486e37398a7ed63ad4ff96a45f048af790521a07a3e42706bb8465d1c",
    "signer": "0x6eF66a6206A4589bEd5849d15Bc2746C2603b01f",
    "userId": "989336341"
  }
}