{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "559485972",
    "entityType": "User",
    "nonce": "0x3a3cf3fc1fcece47a1c4ca9963dea1baa80f2c2671c129dd52825420b537bc59",
    "signature": "0x372db77b1b50db0fb039ceac9228555f10f07c8a60e133a682bed8a3911a27d830ba821d9a40a45440e53d0a191f8753268ba82a603dd1da09a2cffa25c7231c1b",
    "signer": "0x227c6D4cdFc19155a5212Bc082E6079835436E1e",
    "userId": "94961"
  }
}