{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "94317",
    "entityType": "User",
    "nonce": "0x2dab767605d0d016c3acf7fbe68f7f38d829e6218878c4834a34b029f8fcbdc2",
    "signature": "0x4e4d795cb4ce1f212a00a6e925a54458260767ef399c59710d8d34118be2ca004c6376cb2b217293d97591a2a3949551315203c39e1ed501f819b9fb4476dd241c",
    "signer": "0x51E08E74E29DCd09DdEeF4713C607E308bcD0411",
    "userId": "123102876"
  }
}