{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "281423112",
    "entityType": "User",
    "nonce": "0x0abd3d1fd4f04bc95a8ed99cf8c6f3fb5202ec4d15d0fb4e0f036bd51489fe26",
    "signature": "0x3feedcecd54a14ec6b26268168ca01267618bdb65eb72c310eef6ac3749bba855fadeb1dd33719c649b59e9a2eae1041cdf27e977a0e247f300401e17cf9e3c01c",
    "signer": "0xaA2ca1cbacBF575bA565D597AD60f91610Dd25e3",
    "userId": "929684431"
  }
}