{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "40651",
    "entityType": "User",
    "nonce": "0x09d644e583462163b616b49abb5e381cd7f66822b8bf662564f905349a1d7b85",
    "signature": "0x4a1943a8e39928df0b50fe8edc81d89cae357dc6ed70f82761db1c636a3ca3b62cc04fb787104eea2b36c744fc0446bd5d94878d5b9e407d90cf5ddf8de6b6701b",
    "signer": "0x2D566E1DaC6fc148a694abe846B32e39B6584aa5",
    "userId": "890889753"
  }
}