{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "37158",
    "entityType": "User",
    "nonce": "0x87878a7cd7699f54855bda4a21735b02675efced6a47fa49a6ab1107e7011419",
    "signature": "0xcb106b521b174a18b00b8db8488952b024c2344894bb01085821234ed60e0e85792e6cdf3b9a7dc6058f1320f5d6df4aa52d6819d3ecd9d02e1ac2174d2f53d51c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}