{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "56967",
    "entityType": "User",
    "nonce": "0xa06157c11b90487c5101e52fd61b5de678886cb22ea5dc68f7f83c157f4a4e24",
    "signature": "0x37694001946ca4f9e18c708f8ef53e039e2a46fcba3abb9e536f9f1b8bb7c6fe06fb50a9e2b9ef96032c4f48eace6ca4062c24b8a72badc67169a431a3052d781b",
    "signer": "0xdEc12eC3F7972dB51907501aF18eb17FBa37a413",
    "userId": "211416595"
  }
}