{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "55479",
    "entityType": "User",
    "nonce": "0x905b7530df28b4b66ec1b8443890d6c68eca5aa9c98cb0d1347f73c18dbf8876",
    "signature": "0x63969953e3576f6b0c823eefe7bff1e292a479c8225b1b4bfb9f273001d14058062e6cc9431ccc2ceca2074430b4d8c6f7b4656334a25e51d82e15be5ace47d11c",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}