{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x7a701cebb0e25d6edb8888cebbdfe4f7cd8aaf7f1c3b993958e8d272c3866d8b",
    "signature": "0xc3d910b5f2fc314d04481c5797f60a3ec0d922d28c34774a64db454a7a70eb0537ff08ee46a368e7cc8a8ba448fdf5d3ec05b67ef0ddcce462fbf66be8c366a81c",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}