{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "270158",
    "entityType": "User",
    "nonce": "0x58bf8420fbd4f5112b1b6cb0abbca1795fe6351b56f3796e558998acb48927c2",
    "signature": "0x2cb66fba62037fe40423a478f0b9f966644bc9b78355d3467c005dd4b9b7573d61a8a865789b7024cb4a26469aef234f06fa0593f597309af894fe547a2b09271c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}