{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "355256",
    "entityType": "User",
    "nonce": "0xf9993bdd89cc6a6b3268e55378453412c79f9796ead2ac9a717404925b3fbb01",
    "signature": "0x2e3c903fc3d835e4f4b7b207b9657e21554639e8039506e09f2eb0ad86c46a7f734f3ff006d5cc2325e58a6dcb2b291d00fa5621044d88ad8c6a7b8df15560a91c",
    "signer": "0x1DAE2f67411425Ea8f5eF5873622df905e59d83D",
    "userId": "410756960"
  }
}