{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2031451",
    "entityType": "User",
    "nonce": "0x44e9871362ad6f69fce8d55cb03b1688f029b30be6df723e02f8a76958df6cbe",
    "signature": "0x3e6e1bf87c95afa0e5e9947e33859cda2d90119a16834d03e7ef7854b2984a17761105e6347b1d1c0d32d6bb62fbade6ee61151a081bb515b31f72ea2ef69f8b1b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}