{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "157194",
    "entityType": "User",
    "nonce": "0x4b927d9955bc79b52fe22bc1783dbde2ad2f5042dfaa4819d9812aadbee4b64e",
    "signature": "0x32fa4c8fa37789cc508018d155e2fcd0ae37faa4f62fd4f70695f523f034895a3fe0fd9edb5aa3a1b79c9ec24bef5cd2ebbda38ce6ac731b3db0c7d7c305dd7a1c",
    "signer": "0x81f60DEAd0cdA833Ad17fe7Ddd37b36E62630205",
    "userId": "132087202"
  }
}