{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1472935",
    "entityType": "User",
    "nonce": "0x1d1afdbecb3c9b5a3985241100fb22d3f54c909e1772aaa8ff5036d3e4a5a7ab",
    "signature": "0x4cf8a7f7bd1cffa9b583630911ea2a54cdd7871da3c753052b585e02aad0d4197fdbbe42e453f9a91d4e39f12d85795a1445e3f69af8d3af94f1f3813fe66fd31c",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}