{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "446645802",
    "entityType": "User",
    "nonce": "0x9f84fb7c3c1b1fff4562f36292613ddda66ee4dbbd77cfc75eb2cf29fe062ad4",
    "signature": "0x5ed9c5c17026f419709915dccce1b132a862dfd221312b6da372159f46a5bcdf653bba4d7c880b811978525c0d3b83688c5eb9986521ca283b739876e9e8f5af1b",
    "signer": "0xe8BAaf9d67869BFe993951C60524b67BC331bac9",
    "userId": "75683930"
  }
}