{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "107692",
    "entityType": "User",
    "nonce": "0x19977dc42a6d5d3a8ee01895a6d3ea9f9d5ee002a8b6405cdff85fc1d6d880fe",
    "signature": "0x627b4a9bddccf8bf02701aedf3db239883ceff5560724c100a704f23542539454f11b7b3ccf79f3fc8296c61d7f5c46648daba7625429a2a058868ec412ef02c1c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}