{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "54277",
    "entityType": "User",
    "nonce": "0x361effde20bc0b00e4cad2668b11645c94b1c33def8e0b7e9a3b0459f7cc6051",
    "signature": "0x1efd86ba85f2f23734ffa1a6830347eae8f7aa67004385647a950f62884179b75bc8ffc862a4a28c6aefe11eca2425549e9ca1616ce8e65f6f0b5a640fec709e1b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}