{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "8583",
    "entityType": "User",
    "nonce": "0xb24d8d0e824e4beaa18d5951b363924ce28460da44017801a12abba585519007",
    "signature": "0xf8ff078b9fe5121b857c8ac8a67dc7becc1d0175e2b5d97f1c5f7f8a2d20d53234799f176a226a2ed5d6bc8c201a7fd027ab2d2acce2c2c5385c68fef08ee98b1b",
    "signer": "0xC7D69243b2161915036b32017e4FC8ea02d7faF1",
    "userId": "80378"
  }
}