{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x960508fbf78a4f9878ce90cab559924a9e073ed7c0fd72bf3b83e01e74e052d2",
    "signature": "0xc0843820ff065f84f5f504efbfd26af91afeda4ed2c1e1ccd5c46ea30387256145b2f0be0ac1fb9240ff50e0b781e16366a825ca439a06ff0ad09e593aa4011d1b",
    "signer": "0x083626C5983025BFec0Ca7BC8FC5B244f8e29b75",
    "userId": "482858095"
  }
}