{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "55368559",
    "entityType": "User",
    "nonce": "0x1724bcddd2b082594a7e6510a9d061d42c589260750e917748b569d0b01d808c",
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    "signer": "0xc0621be31c1D1B62b94F2d48eE34dD3c3dA9D57d",
    "userId": "161438318"
  }
}