{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xb086d113e5531d61f03a623dba8f207fa5ccdce7b52cb71e1850ff662db3f1be",
    "signature": "0xf186ae3478b072524f5e1c58d861f03632bb2c0a7356778b63f18aef24ab8d7a78688fa4276485f1ed6e6d96224b71829cfb7f4ecb5ec277173d8627a7daea7e1b",
    "signer": "0xab776Dd2c8B0830aA8aE43827F906e04819687bb",
    "userId": "845851945"
  }
}