{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "72570",
    "entityType": "User",
    "nonce": "0xd8b4e8ed89b9051d67d32b559c3194eef25857c078c0eeb5a3aab0dfa0d13ec9",
    "signature": "0xd19dfdf5f0cd044b38a807b027270f414cd7f4f054c7a946744e9feea5a9f7724c0bd0f589b191780260afc5012708d64407cc17b38a8e95e7ed99fae29dbf131b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}