{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "188956",
    "entityType": "User",
    "nonce": "0x436887d1ad14783f25f588cbd931b6e1b6200e39e6d85d646d5ba02c5df513a4",
    "signature": "0xd64c2f13277f67f5ed3f58d26e58d9603d2c58951ab2bdd9765291ddca783bc77dcc9d6c5cd464d067a8755d0a8c4901ef26ae3ee8668bcf2dac2639f9d7e06f1b",
    "signer": "0xE726D55D6940a70995Ce9D8aa1aCE76FC6f4f544",
    "userId": "285113781"
  }
}