{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "132621",
    "entityType": "User",
    "nonce": "0xa10ab42aed19261d2eec95c04d8fedc9f049901f80da7a0c9b705bc966bb3721",
    "signature": "0x9afb8ed99752188dfab0ab1639368cde504cd4c7df52ca4d007bf76843087a1a7b63742a1570ca25568157029488a00c24d1a25860d3031dc97b7bcacc8c80721c",
    "signer": "0xC3B8Db4fD6b5608e625Fc02e4e8B7a274B7dB687",
    "userId": "110486155"
  }
}