{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "159054652",
    "entityType": "User",
    "nonce": "0x495c01568545984a3ce02ff2d6fc0996a8f3b9ef39c71bc134ecb59262cecbbb",
    "signature": "0xc8361f04cc1149246f1bfd8dca339d61bfa734cb72e806f3556644316cee0a4b7c2f121bd90ed1ed873fa8b8f4e6ef89392df5a0be8d62810d4f216a408333681c",
    "signer": "0x0D5eCb6A93B2b5484543C46348ee44F9AB3c26d0",
    "userId": "408610522"
  }
}