{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "169081",
    "entityType": "User",
    "nonce": "0x94e913fea948ea63403aa160ef2958040b64ae052958ff1f3af19b8280e2ccac",
    "signature": "0xf11335f6ee7233629c3e8c3b8157445b3d4686a5c3042ae72e36df1db173895b2e316bbb1cb032c57c20a3600a8a9da6859bc9460a194f8d724b3a26191e1ef71c",
    "signer": "0x06Ad5789cE045C5B0AeB97849051a7385CA95B4a",
    "userId": "270209897"
  }
}