{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "65808",
    "entityType": "User",
    "nonce": "0x2c04f3e59543ab250bf053b90d26774e53b1f1d2eca0d52ffb3b34a87648ac5d",
    "signature": "0x1a3da3fad350da915b6f06a3d4847435a662c5fa755b9bb664a725a0b6cf23266fc427333240ee94dad02e596b604f79c958ca13602e3e68926695a670f822c01c",
    "signer": "0x37d5bFdb1c5031d4086D3D13687e3092523fAA1c",
    "userId": "623605162"
  }
}