{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "768479471",
    "entityType": "User",
    "nonce": "0x0cc28653a1b6b54113200547cc371ecf2000a91e3b064832c8b9330683335e85",
    "signature": "0xc5079ab3ef9e744dadd15c6b45cce0e77d6b6464394e1a8b43283aba61fe90784ca02398575bc2f56c6b8041839f735f0f8e003824982d7c4a2e5a49fece5abc1c",
    "signer": "0xdEc12eC3F7972dB51907501aF18eb17FBa37a413",
    "userId": "211416595"
  }
}