{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xb85972c5eec6ce4d374355a1693421a953cd92c407e9843a77a7b49052f5332a",
    "signature": "0xd9f912ae27aafe7ae03eb53538873ed47b84911d450515123cb024011dd728a91061572aa2de56867edc5ec6c08990faa4a70ba7e238b5bbfc158688f74235351b",
    "signer": "0x7076396534508dCdBAcB5D11b30A5C3d22346182",
    "userId": "291927005"
  }
}