{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "486490947",
    "entityType": "User",
    "nonce": "0x916b50d707568cf68a2e37dee5a0891a25d24a65d7a18ecf04334b49c6acfef0",
    "signature": "0x80b33f80c760ff3ef832f06d8d745347b1ab244e1c05faaee491f4f7e3cdc014418eea9413859b3c426092568c74938d1c75efe9fb7ccd222528e867b30ece8a1b",
    "signer": "0x61C76C4Ba2B5e25fe39F45EF86dbC2749f46d77F",
    "userId": "183994"
  }
}