{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "969012944",
    "entityType": "User",
    "nonce": "0xb11dce4183c8601431124e94d4e11ad3cc7973d058f336135a9663ff1c30cc4d",
    "signature": "0xa79a1ec8601f3029aede36cf90b7942e6915d60f12eb65e943f764c5e6770f6e55f076789981077b473e558df4328488d886a87985bbbb381895b5043585e7411c",
    "signer": "0xC7D69243b2161915036b32017e4FC8ea02d7faF1",
    "userId": "80378"
  }
}