{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "120749",
    "entityType": "User",
    "nonce": "0xdd3bacdcf9dc0b45c14e682e3f4e08f1e3e9bfbd0329db4dd68c6191ec6adcb6",
    "signature": "0x667d16f3e572746985ff39112efe518ce970a0ce73366cf7a301bf46eeb5f92a1bd4fc758916c4cd99bfa3cdaceca6b8fc61fa49f194f9e9c6d1dc173877edb41c",
    "signer": "0x474B8467757bEdBa76afC2394cfCb801C991B143",
    "userId": "815537464"
  }
}