{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28155",
    "entityType": "User",
    "nonce": "0xa5e93027a1a13a4d0141fe2f210c03e950aba6fd8a8c02f50e35379f934b1bfb",
    "signature": "0xfbf4638daff659ef6851a5632e107d97c81b7de7376976a888237adc9b7feb9a0f81f57affd40af02f5bfff9190f5950d89df5b4a8e24ab2b5cbee84202b01b01b",
    "signer": "0xD03e6976eD4d0102D82a2D2c5D87c67F53CF84BB",
    "userId": "74307388"
  }
}