{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "961722239",
    "entityType": "User",
    "nonce": "0x434bed41090d4ce23cb9fc3b61fdebd165d759a6454c9f4dc0af766a4e2d26a7",
    "signature": "0x7a0b373aebfb5fcaeccfc7d0e24353e6336d2d4af3197ba000ec757672dabbb47d7acb1cb158ccfaa6091ad2848e16a4c262be25347b73d4d950f9d2fa160df51b",
    "signer": "0x1ABf6DD41fe1E6b1C2d3A69859a25C92caa31b32",
    "userId": "17689"
  }
}