{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "94643",
    "entityType": "User",
    "nonce": "0x99cf12d3a30c97fc924c4cd82d3f0331c5236f0e5ce17ce8d3140fcf09cc0ea4",
    "signature": "0xae778b6d7190aa43e3cd778bc4add5902ab0808bb02569ca934fb4eacbf35dbe379741f5d345e1d4eee0e395be32fd5ad145ec98c3c806d12bc6d33ffa9c4ee11b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}