{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x08bfd0bf3f01994506e2b1f85a8362f4d0a092ee2891273b4d0c8e226cd35919",
    "signature": "0x62e296b005a0ed2082c49ab10d303b87d659b1da5cc2d100d17e3de4bb5859b8200b2a9cfa10d2052728f71d5bf6e395d9e843bd6ed1005f2a6c9f9088e817c41b",
    "signer": "0xc3aA4F49063AfF0c3f69D0D4C02d36eD4cc81293",
    "userId": "98496800"
  }
}