{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "67849",
    "entityType": "User",
    "nonce": "0xa48852b3d011085b0c1f7a29bfaf16bf7e01987b94189c7ef533508c99721d2e",
    "signature": "0xf5e791020a2395008455de227480ea428b41df2e19f7e0e3f3e58be49460c5697df6812baa054e8b1718ad39b9162f80d508b9b6666b68a6fc30193a52bd0bfd1c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}