{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "4195",
    "entityType": "User",
    "nonce": "0x182e1e6e0fe180e30947415b677e583ba6079f4f7437162e24a047e94c45a33c",
    "signature": "0x531135ffdacfb4bb32aef010a86da0919239728b0cea2f272d5ec656fa7a197f3af58774e72aadeca7a3b3f5587893c02091c634af0fb7b564d51e652f7c89b31b",
    "signer": "0x44BAdCFCf42113CbB67f519e4efa576B336f9bf7",
    "userId": "136844578"
  }
}