{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "831117417",
    "entityType": "User",
    "nonce": "0x0dbc5cf97429d956d3ff2e5c8c020f28d5edb8a07e2696066cb767df958d20a4",
    "signature": "0x230cb04a5204a587ec06e33790b041782a5aad4ab816dba7934758802737d4e1061b7492a10d82c8ac6bcfbca84c71a47d071ae4e7fbbe2ca4e75515cdc225061b",
    "signer": "0x5abad058d33E1C0C0A69d85BA3181678C1721765",
    "userId": "632918751"
  }
}