{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "597677270",
    "entityType": "User",
    "nonce": "0x2e436ceb10664ce4959eba89e72fec4bdf215e6609aef54658e2708b1e7291fd",
    "signature": "0x73a6ef9f4d4e44729caa82baa99d243780d2b87291b8b9867751a04b8ce0b86c1d05d7a8632d27ac058a701d98cef1582f39c876976e2e524eeb4db86571e08a1c",
    "signer": "0x2ACda02e37Db2DC08f82aEFAB268F0610974bb3c",
    "userId": "416239376"
  }
}