{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "242998",
    "entityType": "User",
    "nonce": "0x0b678c863aa96b1d33d50cbf774b07941ea8512917e4b10aa4c46e912172918a",
    "signature": "0xeb5e46143b360a642735830ff5124113fb6ab65202e8a8c56c1d0d4da6f1fefe761729c07744c029c26b2aac29feb9fb2857071d2a74b6edf39e3deb3057e83e1b",
    "signer": "0x408CbFDbc09C9aFB99Da5f010D04f50A190b83B6",
    "userId": "675830993"
  }
}