{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "35918963",
    "entityType": "User",
    "nonce": "0x3621949f42c047eee0bc0c0febb8b09cd4a2d98f040ae6f60916558d9006e8bc",
    "signature": "0x65a25976f59327cdb395cd3692dfd5f7db24a9dd905d35b116840c4cedda6d684df328b0caa16bc62a562a717d97035b2e05a388ffed4b9c16734184404345201b",
    "signer": "0xE09A95aA63d8B1AE975406d646074B73ffBD4ACC",
    "userId": "27841"
  }
}