{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59868",
    "entityType": "User",
    "nonce": "0x1e42489f04276ade29cba2715af5929649b8d23be4c11882a6276aa2bdf8c496",
    "signature": "0xae2b4dbc89509f20a1749f588d52f153b9d83f3fc1adf3a5ab307072da583dfd075b9c9fe4a57209a43f3cf080583b81c78fa33c5eec32c61ee29ae306cf80fc1b",
    "signer": "0x809Af38f648Ec843FE477520d04180959B398E6C",
    "userId": "105767814"
  }
}