{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "18087",
    "entityType": "User",
    "nonce": "0x0dfc8c8db3472d634c36daa492635983a9f2a4f5f8f897fd01b2916f2df0db92",
    "signature": "0x1fc481eec3f72d83ed958e684771c176b3deca0ce8e88104285410e7ecd1f60b621faf97fd060dcde3cbf355cf2bcd1e388e1752ae8eac8948fc3b6172f5f2481c",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}