{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "301606",
    "entityType": "User",
    "nonce": "0xf8a08d9fbb2288a5d2027d40f7be57583ef5407e4143386bf9751bd7dcaedc54",
    "signature": "0x1bd3df4fbabd0007591c0280663a94ee458e9cf257950d3a76dee728c705552d32731f6d7a38c3aa97b462eae8310b52cbdcf084477a1101ac942ac2af0a559e1b",
    "signer": "0x229a981Eae98657c17Cc2a4827328E1877eA40C0",
    "userId": "281682"
  }
}