{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "708077815",
    "entityType": "User",
    "nonce": "0x3a1efc8339fb27b8a6b22d5eb0a422a197bcd24174147eca95229051c00b38a4",
    "signature": "0x369036ce62ad10521ed756c9e010d80db21c308de919cde4684dd298bbd1d79f7a6aa9f25a2a7026ee3c47e9343da9cb20459f18aef4b83ccfc77588538078841b",
    "signer": "0xe8BAaf9d67869BFe993951C60524b67BC331bac9",
    "userId": "75683930"
  }
}