{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "97359",
    "entityType": "User",
    "nonce": "0x63c57874b7c0b6b45ae46d3b8bbc38d6b0874ec42abf6358d830ec036dd4ec73",
    "signature": "0x432667dd19201b8ea14789994be043e1a492a1b2e9c3b497e32d4f65e764465734c43e0792a34df341cc7dac2681f5e4424d29b099bfc6cbcf6252e532e445931b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}