{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "85657",
    "entityType": "User",
    "nonce": "0xd2a1138b4ed54be3bbf02fac3fd0c9b44f670051c8d3c7c06a7055f2cb4a5659",
    "signature": "0x6d2afaae6ed4fbc224044321daf6d274c7631e726937922fc3fd03bc818004db2502cec74bd30c5492cec2db934ca846f6a3a6527ad2a7baacd9f87ff2f594ef1b",
    "signer": "0xb070972972ef5B5E404741ADCAc11792d96Aa436",
    "userId": "228777558"
  }
}