{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xd0512576aed3fb861e5859a251965fa8199e727ddc54dba640dc035c34550d9f",
    "signature": "0x940abafaf33d639fb3ae59d00a1277b91163be95b612b80b06ea270d1862f83b2ed6e1337568bbcd9f8c1dd505554efe6a252d6cf1b386ed829c9b5c35d36ebc1c",
    "signer": "0x611d312687EfBB69b05F17e9A8b481F0c0449f47",
    "userId": "332177665"
  }
}