{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "389177",
    "entityType": "User",
    "nonce": "0xc6ee27fb841ef6dc08e62351f3932cc86079dff7a090c849c2c0043b0f431e55",
    "signature": "0x9813285789ad589178fbaae9f55ee92b9a3fa95c84b9a7183f8cdd68156cfcbe48677d6a2ca3fc432b4f076766d3dd9d2fd3a72d850d676ff09b9afe6de201da1c",
    "signer": "0xA9b07396C6621Ef0A65965bD61de72FdBebf6102",
    "userId": "39933200"
  }
}