{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28155",
    "entityType": "User",
    "nonce": "0xc7f7166f36a3ab8c562ec1e57308e8f40d6e4215debbfc73a0bb395a6fb6e5ca",
    "signature": "0xbe4c932472a4702e5960085ff8631213d40f345f6a806792580e21ea771ba7dc5dd5f9f34657122cfa72f784e19c546ba29656506c4e48c47a1c88683f7f07781c",
    "signer": "0x81f60DEAd0cdA833Ad17fe7Ddd37b36E62630205",
    "userId": "132087202"
  }
}