{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "560779824",
    "entityType": "User",
    "nonce": "0xbb5e22b170fadc885a71a208363f683d94f5df047e7cfa5d85708479aeb560be",
    "signature": "0xf3ca2bc8dc07e8294ca0c8c4689d0953dc263da878bf86da40a6569dfe7ab07d1d097be1dc071cba73b4e4a74fb3b02956a7f76430e7491ce0ce46ce385f9dc31b",
    "signer": "0xe5223Dc6E411A24e22DcF917955e97a8D7479d0c",
    "userId": "981716494"
  }
}