{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "6375",
    "entityType": "User",
    "nonce": "0x6fcd1935d5b9cc30dac43a6187771ff18f2217278c4470cb72f6de8ac0d3b4c0",
    "signature": "0x57ce302284335da9965bbb47f3c9831e2bd90f46414b93208ff916c51470376f797afcf9a7880e5524f7f4aef0213d62cc9853bb38042f9c416529a3821e63271b",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}