{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "593684426",
    "entityType": "User",
    "nonce": "0x70c7ae1388148167a44febe433a219a915787d26c548860cb9ae0886eb35c63e",
    "signature": "0x6d4d292e5ca26185fe3475049fcba930925c50fba56d6a6a91070d3714ee0e7e01eb142b1b6171e609fc2f5463723b8d17dc36676a2179bc3d3711753127d2261b",
    "signer": "0xe8BAaf9d67869BFe993951C60524b67BC331bac9",
    "userId": "75683930"
  }
}