{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "887547386",
    "entityType": "User",
    "nonce": "0x08eceb184d1543c8ee112845a61638cb5f23a40cc4f806d17626721d5d152fbf",
    "signature": "0x878c5b028a6bcc6a8f17a12bb904599221aac4b87c80063f122a65bb919dae78695663d30d6a519c59931984e56a085e58f15c6bf732cb6b30cb8a43e2c5364c1c",
    "signer": "0xbAA633dfD19281ECC20a6b689F49CE8725d526Cc",
    "userId": "127651"
  }
}