{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "40431",
    "entityType": "User",
    "nonce": "0x5b3c4e5373a8514d5375d046316166802da70ebade865dba35618add43849920",
    "signature": "0x5f7965401b2bf56b72e7a0d56a72414e2f96ac934dc6849f8d7027718c2fe35760408ba4700309ae5d253fb59fd4516f91d3f16493f099107962d100918296cd1c",
    "signer": "0xdEc12eC3F7972dB51907501aF18eb17FBa37a413",
    "userId": "211416595"
  }
}