{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "18034",
    "entityType": "User",
    "nonce": "0x42039d934a5ca18ba7eec8fb7ee7c63e6ba8f0bb9c717969ead601930b5f4cf1",
    "signature": "0x190b726140d1bf106fc1fd5f329958997efe6c0f2151fb28a199d87bca0a891f3972dd6028fd5639670eeec9ac45ecaf91c8f8c9654af352cb4531d4c577dddb1b",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}