{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "52293",
    "entityType": "User",
    "nonce": "0x0af4d2bdfc94183cae7cd6b2ff3ca98da2ef1d82057825cefbbc0063c67a18e4",
    "signature": "0x7b3ff8535bfc281d9551e679bf24f831ec5b17ad12cb2469d7298cef67705a3632b9012c674ac45058201b6c13373beeb51efd473705a9c06646c719e3bf69be1b",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}