{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "367647512",
    "entityType": "User",
    "nonce": "0x70a399f64d4e1d4c7a5dcc434bb90bf3ea8d87a8193a31365db604cac58d8ea3",
    "signature": "0xf2d06942b07d9f2429fae4dfc2a13327ad24dc71a1a2f7ba701b95a3b71ef2705b295d3fc3a29610cdaf58706735d58ab0f2a4330d41a4ca6f82fb515b327f0c1b",
    "signer": "0x989faEfE658E0b6dF1793197b0De4137Cb1aDD3b",
    "userId": "554920508"
  }
}