{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "988720262",
    "entityType": "User",
    "nonce": "0x9046764e71f9c06e32ad614253e68ccb3496e7a755290cd413fb30c18021c351",
    "signature": "0x27218a4ac0e4e60eae07b24b88570652dd82f3d88359aef26e55ca2f8ae8c1f07ac04b293418bb333e04d720107f922aa20c7c1e0509814e0409a7fed3c91fac1b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}