{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "330824499",
    "entityType": "User",
    "nonce": "0x79daf7fedb1892bbbe709833e530e1deee4f8d027d7f5d0c5160d1e190712f91",
    "signature": "0xfea2ad03562c6b72e75b9f26e807b62023906acde5a3a6c25c216e4b6015c7a73e601b395d64990d37e563cb87002fdc8322324ffb007a28fc8a66b8774c401a1c",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}